![subject](/tpl/images/cats/mat.png)
Mathematics, 02.12.2020 02:30 smartpeep
13. An automobile engine crankshaft revolves 3000 times per minute. How long does it take to revolve 50 times?
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Will possibly give brainliest and a high rating. choose the linear inequality that describes the graph. the gray area represents the shaded region. 4x + y > 4 4x – y ≥ 4 4x + y < 4 4x + y ≥ 4
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 03:00
At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 04:10
You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in:
Answers: 2
You know the right answer?
13. An automobile engine crankshaft revolves 3000 times per minute. How long
does it take to revolv...
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 12.08.2020 08:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/pravo.png)
Law, 12.08.2020 08:01
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 08:01
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 08:01
![question](/tpl/images/cats/fizika.png)
Physics, 12.08.2020 08:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 08:01
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 08:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 08:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 12.08.2020 08:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 08:01
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 12.08.2020 08:01
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 12.08.2020 08:01
![question](/tpl/images/cats/en.png)